1-[2,3-dimethyl-3-(4-methylphenyl)butan-2-yl]-4-methylbenzene

4-叔丁基甲苯

1,4-bis(tribromomethyl)benzene

cyclohexene-1,4-dicarboxylic acid

2-methyl-4-oxo-4-p-tolyl-butyric acid